function changeLanguage(language) {
	$.ajax({
		type : "POST",
		url : base + "ajax/changelanguage.do",
		data : "new_lang=" + language,
		dataType : "json",
		async : true,
		error : function(data, error) {
			alert("change lang error!");
		},
		success : function(data) {
			window.location.reload();
		}
	});
}